can the type r civic cam shafts from the b16b engine be put directly into a b16a engine from a civic sir without upgrading the valve springs

 

I'm not 100% sure.

But yes i do believe so. I know there are people running ITR cams in b16's/gsr's without valve springs/retainers, but me personally i would not do it.

If i'm going to swap to a more aggressive cam i'm going to have the valvetrain to support it.

 

i had heard you didnt need to change the springs either the engine aint mine its one i was asked to do the work on i had recommended the springs be changed but then heard it could be done as a straight swop but not to sure if it was going to cause problems not upgrading the valve train

 

as long as u don't abuse it and redline like 9k...all vtec b series heads already comes with dual valve springs on the intake side.....

 

do you know of anyone that has had problems from alot of redlining without upgrading valve train cause i dont think this car will be getting drove easy and i dont vthink the owner wants the expence of upgrading the valve train

 

I ran ctr cams for over a year, before I sold them, I never swapped out any springs or retaniers, you know have to check if they are real ctr cams right, (all cams are marked on the dizzy side) also just stay out of the 9's and you'll be ok I used to beat on those all day back and forth to work, good luck

 

i have civic type r cams in my crx.. i upgraded the springs tho.. it wouldnt hurt to atleast have dual valve springs on both sides..

 

my brothers running CTR cams in is SI with stock valvetrain pushing 120k miles no problems....